Just messin' with ya, Bosco.... there are "rules", but I honestly don't know what they are, if they apply, or if they would be "enforced".
How many times can we cover how to break in a DL 50, or what prop to use, anyway???? I think on some topics (mixture needle settings) we're probably on the 40th go round....
It's all good, I think....
Mine are up for sale at the moment.... and no, I'm not buying an SV....